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Science Stack p2

Science vocab

QuestionAnswer
Whats Momentum? Momentum is the product of an objects mass and its velocity.
Whats the Fomula for momentum? m=pv.
Whats the law of conservation of momentum? the total momentum of any group of objects remains the same unless the outside forces also act on the objects.
Whats force? a push or a pull.
What are the units of force? forces are measured in Newtons (N).
Whats net force? Net force is the total of all the forces acting on an object.
What is inertia? Inertia is the tendency of matter to resist a change in its motion.
What is a Balanced force? A balanced force is the net force acting on object that is zero.
What are unbalanced forces? Unbalanced forces is the net force acting on a obect thats not zero.
Whats magnitude? Magnitude is the amount of a measurement.
What was Newtons first law of motion? objects at rest will stay at rest and objects in motion will stay in motion at a constant velocity.
What was Newtons second law of motion? the net force acting on an object is equal to the product of the objects mass and acceleration.
What was Newtons third law of motion? for every action force there is a reaction force that is equal but acts in the opposite direction.
What is the law of universal gravitation? the net force acting on an object is equal to the product of the objects mass and acceleration.
what is freefall? Free Fall is the motion of a object when gravity is the only force acting on it.
What is Terminal Velocity? Terminal Velocity is greatest velocity of a falling object occurs when the force of gravity is equal to the force of friction.
What is weight? Weight is a measured force of gravity on a object.
Created by: samanthag